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Select the option with correct set of statements for Punnett square. (a) Developed by a British geneticist. (b) Used to calculate the probability of genotypes of offsprings. (c) Useful for monohybrid crosses only. (d) It is a mathematical formula which helps to calculate the types of gametes.

A

Only (a), (b) and (c)

B

Only (a) and (d)

C

Only (b) and (d)

D

Only (a) and (b)

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Select the option with correct set of statements for Punnett square. (1) Developed by British geneticist. (2)Used to calculate the probability of genotypes offsprings. (3)Useful for monohybrid crosses only. (4) It is a mathematical formula which helps to calculate the types of gametes.

Assertion :- Punnett sequare is a graphical representation to calculate the probability of all possible genotypes of offsprings in a genetic cross. Reason :- It was developed by a British geneticist, Raginald C. Punnett.

The graphical representation to calculate the probability of all possible genotypes of offspring in a genetic cross is called a) Pedigree analysis b) Karyotype c) Punnett square d) Chromosome map

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Select the correct option w.r.t law of independent assortment (a) It can be explained by using monohybrid cross (b) Inheritance of one character is dependent on another character (c) This law is not applicable universally (d) It was proposed by Bateson

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Given below are four statements A to D, select the option in which two statements are correct? A: In earthworms deelopment is indirect and the larva is trochophore larva. B: A mutual exchange of sperms occurs between two worms during mating. C: Fertilisation is internal occurs within the cocoon deposited in soil D: About 3 weeks are required for development, each cocoon produces two to twenty baby worms with an average of four.

Given below are your statements (A-D) each with one or two balnks. Select the option which ocrrectly fills the blanks in any two statements. (A) Thymus secretes (i) which help in differentiating of ii (B) The adrenal medulla secretes i which stimulates the breakdown of ii to increased the blood glucose concentration during emergensy situations. (C) The Leydig's cells or i present in the intertubular spaces in testis, produce a group of hormones called ii (D) Thyroid gland secretes i and trliodothyronine which contain ii

The egg apparatus lies at chalazal end Read the following statements and select the correct set of statements. a. Sexual reproduction is a slow and complex , process. b. Apomixis always occurs without gamete formation. , C. Small sized organisms always have a shorter ife span. , d. Asexual mode of reproduction can occur through formation of specialised reproductive structures

AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
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  2. In how many of the following organisms sprem will decide the sex of pr...

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  3. Select the option with correct set of statements for Punnett square. (...

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  4. Calculate the probability of obtaining a zygote with genotype AaBBccDD...

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  5. Which of the following does not represent inheritance of disorders l...

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  6. In garden pea, gene controlling starch synthesis is related to all of ...

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  7. Considering the inheritence of a disorder like colourblindness,state t...

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  8. In sweet pea, flower colour is controlled by two complementary genes '...

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  9. Select the correct match.

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  10. A new born child was diagnosed with a genetic disorder. He showed some...

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  11. Mark the statement incorrect for chromosomal theory of inheritance.

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  12. What is the distance between genes 'y' ( body colour) and 'w' (eye col...

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  13. Gene for 'hypertrichosis' passes from father to his sons only, such tr...

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  14. Mark the correct reason for sickle cell anaemia.

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  15. The strongest mutagen among the following is

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  16. Which of the given test crosses will produce maximum possible phenotyp...

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  17. A woman with blood group AB marries to a man with blood group B whose ...

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  18. Out of the five different phenotypes of wheat kernel colour, which phe...

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  19. Which among the given phenotypes is expressed in pure line condition o...

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  20. Cryptorchidism i.e. failure of descent of testes in humans occurs due ...

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